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Date: Mon, 25 Jan 2016 08:15:42 -0600
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From: Jay Rolette <rolette@infiniteio.com>
To: Masoud Moshref Javadi <masood.moshref.j@gmail.com>
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Subject: Re: [dpdk-users] high jitter in dpdk kni
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On Mon, Jan 25, 2016 at 7:49 AM, Masoud Moshref Javadi <
masood.moshref.j@gmail.com> wrote:

> Thanks.
> For me the easiest solution is to sacrifice a core and set
> CONFIG_RTE_KNI_PREEMPT_DEFAULT
> to 'n'. I can confirm that this reduced the delay to 0.1ms
>

Make sure you take a look at the throughput you get with that change. In my
case, I found it reduced the latency, but lowered my aggregate throughput:

http://dpdk.org/ml/archives/dev/2015-June/018858.html

Jay